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Within the context of topological data analysis, the problems of identifying topological significance and matching signals across datasets are important and useful inferential tasks in many applications. The limitation of existing solutions…

Algebraic Topology · Mathematics 2024-06-26 Inés García-Redondo , Anthea Monod , Anna Song

Segmenting curvilinear structures in medical images is essential for analyzing morphological patterns in clinical applications. Integrating topological properties, such as connectivity, improves segmentation accuracy and consistency.…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Zhuangzhi Gao , Feixiang Zhou , He Zhao , Xiuju Chen , Xiaoxin Li , Qinkai Yu , Yitian Zhao , Alena Shantsila , Gregory Y. H. Lip , Eduard Shantsila , Yalin Zheng

In computer vision, keypoint detection is a fundamental task, with applications spanning from robotics to image retrieval; however, existing learning-based methods suffer from scale dependency and lack flexibility. This paper introduces a…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Giovanni Barbarani , Francesco Vaccarino , Gabriele Trivigno , Marco Guerra , Gabriele Berton , Carlo Masone

Persistent homology is a popular data analysis technique that is used to capture the changing topology of a filtration associated with some simplicial complex $K$. These topological changes are summarized in persistence diagrams. We propose…

Computational Geometry · Computer Science 2018-10-11 Tamal K. Dey , Ryan Slechta

Object recognition in unseen indoor environments remains a challenging problem for visual perception of mobile robots. In this letter, we propose the use of topologically persistent features, which rely on the objects' shape information, to…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Ekta U. Samani , Xingjian Yang , Ashis G. Banerjee

According to WHO[1], since the 1970s, diagnosis of melanoma skin cancer has been more frequent. However, if detected early, the 5-year survival rate for melanoma can increase to 99 percent. In this regard, skin lesion segmentation can be…

Image and Video Processing · Electrical Eng. & Systems 2022-11-01 Pooya Mohammadi Kazaj , MohammadHossein Koosheshi , Ali Shahedi , Alireza Vafaei Sadr

High-accuracy prediction of the physical properties of amorphous materials is challenging in condensed-matter physics. A promising method to achieve this is machine-learning potentials, which is an alternative to computationally demanding…

Machine Learning · Computer Science 2023-05-23 Emi Minamitani , Ippei Obayashi , Koji Shimizu , Satoshi Watanabe

Persistent topological properties of an image serve as an additional descriptor providing an insight that might not be discovered by traditional neural networks. The existing research in this area focuses primarily on efficiently…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Ekaterina Khramtsova , Guido Zuccon , Xi Wang , Mahsa Baktashmotlagh

Detecting the dimension of a hidden manifold from a point sample has become an important problem in the current data-driven era. Indeed, estimating the shape dimension is often the first step in studying the processes or phenomena…

Computational Geometry · Computer Science 2014-05-15 Tamal K. Dey , Fengtao Fan , Yusu Wang

Computing an optimal cycle in a given homology class, also referred to as the homology localization problem, is known to be an NP-hard problem in general. Furthermore, there is currently no known optimality criterion that localizes classes…

Computational Geometry · Computer Science 2024-06-06 Amritendu Dhar , Vijay Natarajan , Abhishek Rathod

Persistent homology is an important methodology in topological data analysis which adapts theory from algebraic topology to data settings. Computing persistent homology produces persistence diagrams, which have been successfully used in…

Machine Learning · Statistics 2026-01-13 Yueqi Cao , Anthea Monod

Finding an optimal parameter of a black-box function is important for searching stable material structures and finding optimal neural network structures, and Bayesian optimization algorithms are widely used for the purpose. However, most of…

Machine Learning · Computer Science 2019-02-27 Tatsuya Shiraishi , Tam Le , Hisashi Kashima , Makoto Yamada

Persistent Homology (PH) offers stable, multi-scale descriptors of intrinsic shape structure by capturing connected components, loops, and voids that persist across scales, providing invariants that complement purely geometric…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Prachi Kudeshia , Jiju Poovvancheri , Amr Ghoneim , Dong Chen

Persistent homology provides a new approach for the topological simplification of big data via measuring the life time of intrinsic topological features in a filtration process and has found its success in scientific and engineering…

Biomolecules · Quantitative Biology 2014-12-09 Bao Wang , Guo-Wei Wei

Histopathology imaging is crucial for the diagnosis and treatment of skin diseases. For this reason, computer-assisted approaches have gained popularity and shown promising results in tasks such as segmentation and classification of skin…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Luis Carlos Rivera Monroy , Leonhard Rist , Martin Eberhardt , Christian Ostalecki , Andreas Baur , Julio Vera , Katharina Breininger , Andreas Maier

Single-parameter persistent homology, a key tool in topological data analysis, has been widely applied to data problems along with statistical techniques that quantify the significance of the results. In contrast, statistical techniques for…

Algebraic Topology · Mathematics 2020-12-14 Matthew Wright , Xiaojun Zheng

Cancer is a leading cause of death worldwide, necessitating advancements in early detection and treatment technologies. In this paper, we present a novel and highly efficient melanoma detection framework that synergistically combines the…

Image and Video Processing · Electrical Eng. & Systems 2024-08-05 Peng Zhang , Divya Chaudhary

Rapid growth in the development of medical imaging analysis technology has been propelled by the great interest in improving computer-aided diagnosis and detection (CAD) systems for three popular image visualization tasks: classification,…

Computer Vision and Pattern Recognition · Computer Science 2022-03-03 Manu Goyal , Moi Hoon Yap , Saeed Hassanpour

This thesis surveys the research in patch-based synthesis and algorithms for finding correspondences between small local regions of images. We additionally explore a large kind of applications of this new fast randomized matching technique.…

Graphics · Computer Science 2020-05-14 Hadi Abdi Khojasteh

For nearly three decades, spatial games have produced a wealth of insights to the study of behavior and its relation to population structure. However, as different rules and factors are added or altered, the dynamics of spatial models often…

Computer Science and Game Theory · Computer Science 2021-09-30 Jakob Stenseke
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